Mindy had five test last month, her scores were 95,86,78,80, and 91. what is the range of her scores

The range of her scores is 17.

Explanation

Mindy's scores in five tests are:  

First, rearranging the data in numerical order, we will get ........

'Range' is the difference between the highest and lowest values.  

In the above data set, highest value is 95 and lowest value is 78

So, the range of her scores will be:  

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: